<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8" />
  <meta name="viewport" content="width=device-width, initial-scale=1.0" />
  <meta http-equiv="X-UA-Compatible" content="ie=edge" />
  <title>大事件-后台登录页</title>
  <link rel="stylesheet" type="text/css" href="css/reset.css" />
  <link rel="stylesheet" type="text/css" href="css/iconfont.css" />
  <link rel="stylesheet" type="text/css" href="css/main.css" />
  <!-- 引入bootstrap的css文件 -->
  <link rel="stylesheet" href="./libs/bootstrap/css/bootstrap.min.css" />
  <!-- 引入jq文件 -->
  <script src="./libs/jquery-1.12.4.min.js"></script>
  <!-- 引入bootstrap的js文件 -->
  <script src="./libs/bootstrap/js/bootstrap.min.js"></script>
</head>

<body>
  <div class="main_wrap">
    <div class="header">
      <a href="#" class="logo"><img src="images/logo.png" alt="" /></a>
      <div class="copyright">
        CopyRight © 2019 深圳百秀信息技术股份有限公司<br />All Rights Reserved
      </div>
    </div>

    <div class="login_form_con">
      <div class="login_title"></div>
      <form class="login_form">
        <i class="iconfont icon-user"></i>
        <i class="iconfont icon-key"></i>
        <input type="text" class="input_txt" placeholder="邮箱/手机号" />
        <input type="password" class="input_pass" placeholder="密码" />
        <input type="submit" class="input_sub" value="登 录" />
      </form>
    </div>
  </div>
<!-- 准备模态框静态代码 -->
<div class="modal fade" tabindex="-1" role="dialog" id="myModal">
  <div class="modal-dialog" role="document">
    <div class="modal-content">
      <div class="modal-header">
        <button type="button" class="close" data-dismiss="modal" aria-label="Close"><span aria-hidden="true">&times;</span></button>
        <h4 class="modal-title">温馨提示</h4>
      </div>
      <div class="modal-body">
        <p>One fine body&hellip;</p>
      </div>
      <div class="modal-footer">
        <button type="button" class="btn btn-default" data-dismiss="modal">确认</button>
      </div>
    </div><!-- /.modal-content -->
  </div><!-- /.modal-dialog -->
</div><!-- /.modal -->
</body>

</html>
<script src="./libs/https.js"></script>
<script>
  $(function(){
    $('.input_sub').on('click',function(e){
      //阻止事件默认行为
      e.preventDefault();
      //获取用户输入内容
      let username=$('.input_txt').val().trim();
      let password=$('.input_pass').val().trim();
      //非空判断
      if(username=='' || password==''){
        //alert('请输入内容哦');
        // 调用bootstrap模态框
        $('#myModal').modal();
        // 设置模态框的显示内容
        $('.modal-body p').text('傻猪猪,要输入内容哦!');
        return;
      }

      // 4. 发起ajax请求,验证用户信息
      $.ajax(
        {
          type:'post',
          url:BigNew.user_login,
          data: {
            username: username,
            password: password
          },
          success: function (backData) {
            console.log(backData)
            if (backData.code == 200) {
              // 5. 如果登录成功则提示,并且跳转
              // alert(backData.msg);
              // 当登录成功之后,要将token保存到本地缓存localStorage对象 
              localStorage.setItem('bignews073',backData.token); 
              // 调用bootstrap模态框
              $('#myModal').modal();
              // 设置模态框的显示内容
              $('.modal-body p').text(backData.msg);
              // 注意: 原生代码alert可以卡住程序,但是bootstrap模态框不行
              // 当模态框被关闭之后,再实现跳转,监听模态框是否被关闭(框架的效果那自然就要去找框架的文档)
              $('#myModal').on('hidden.bs.modal', function (e) {
                // 当模态框被隐藏,则跳转到首页
                window.location = './index.html';
              })
            } else {
              // 调用bootstrap模态框
              $('#myModal').modal();
              // 设置模态框的显示内容
              $('.modal-body p').text(backData.msg);
            }
          }
        }
      )
    })
  })
</script>